1,1'-Methylenebis(4-isocyanobenzene) 4,4'-Diisocyanodiphenylmethane 956-62-7 Benzene, 1,1'-methylenebis(4-isocyano- Diisocyanodiphenylmethane Phenyl isocyanide, 4,4'-methylenebis- (7CI,8CI)